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      <h1 class="post-title">第六周作业</h1>

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        <span class="post-time"> 2020-10-13 </span>
        
        
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    <li><a href="#第六周作业">第六周作业</a></li>
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      <h1 id="第六周作业">第六周作业</h1>
<ol>
<li>输入设备、存储器、运算器、控制器、输出设备。</li>
<li>1byte = 8bit</li>
<li>CPU：控制单元、运算单元、存储单元。不包括cache。</li>
<li>二级存储（secondary storage）是计算机主存储器或内存之外的所有可访问数据存储器，是程序和数据长期保存的地方，常见的二级存储设备有（固定/移动）硬盘、光盘等。</li>
<li>解释名词：<br>
CPU: A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.<br>
RAM: Random-access memory (RAM /ræm/) is a form of computer data storage which stores frequently used program instructions to increase the general speed of a system.<br>
ROM：Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.<br>
Bus: is a communication system that transfers data between components inside a computer, or between computers.<br>
Parallel computing: Parallel computing is a type of computation in which many calculations or the execution of processes are carried out simultaneously.</li>
<li>云计算：云计算是分布式计算的一种，指的是通过网络“云”将巨大的数据计算处理程序分解成无数个小程序，然后，通过多部服务器组成的系统进行处理和分析这些小程序得到结果并返回给用户。云计算把许多计算资源集合起来，通过软件实现自动化管理，只需要很少的人参与，就能让资源被快速提供。也就是说，计算能力作为一种商品，可以在互联网上流通，就像水、电、煤气一样，可以方便地取用，且价格较为低廉。</li>
<li>（1）3是三通道，1333是频率。<br>
（2）不能<br>
（3）能<br>
（4）16 x 1024 x 1024 x 1024 x 8</li>
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